Morel Specs sheets Woofer
Best box: 7.9 L bass reflex tuned to 53.8 Hz · F3 57.1 Hz
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Comparable 6.0" Drivers
Drivers with similar piston area, resonance and Qts — useful alternatives when the Morel Specs sheets Woofer does not fit your target box volume or tuning. Each entry links to its full enclosure design and Thiele/Small parameters.
⚠️ Engineering Notice for Builders
- The textbook alignment (7.9 L at 51.2 Hz) would need a 47.7 cm port; the recommendation is retuned to 7.9 L at 53.8 Hz so the port can be built.
- Xmax is not published, so the port size is an empirical estimate (area ≥ 12 in² per ft³ of net volume, minimum by driver size), not a displacement calculation. Check air velocity in Load Forge Studio.
Recommended Bass Reflex (Vented)
PORT BUILDABLE| Net Box Volume (Vb) | 7.9 Liters |
| Tuning Frequency (Fb) | 53.8 Hz |
| F3 (-3 dB Cutoff) | 57.1 Hz |
| F6 / F10 Extension | 49.6 Hz / 42.8 Hz |
| Port Inner Diameter ESTIMATED | Ø 6.8 cm |
| Port Physical Length | 42.7 cm |
| First Pipe Resonance | 402.0 Hz |
Recommended Sealed (Acoustic Suspension)
MAX TRANSIENT DAMPING| Net Box Volume (Vb) | 3.7 Liters |
| System Q (Qtc) | 0.707 (Butterworth) |
| System Resonance (Fc) | 95.6 Hz |
| F3 (-3 dB Cutoff) | 96.2 Hz |
| F6 / F10 Extension | 73.6 Hz / 55.9 Hz |
| Air Spring Linearity | High (Zero port compression) |
Thiele/Small Parameters
| Resonance (Fs) | 40.0 Hz |
| Total Q (Qts) | 0.29 |
| Electrical Q (Qes) | 0.347 |
| Mechanical Q (Qms) | 1.76 |
| Equivalent Volume (Vas) | 18.5 Liters |
| Diaphragm Area (Sd) | 119.0 cm² |
| DC Resistance (Re) | 4.5 Ω |
| Efficiency Bandwidth Product (EBP) | 115.2 |
| Linear Excursion (Xmax) | N/A mm |
| Thermal Power (Pe) | N/A W |
| Nominal Diameter | 6.0" |
| Catalog Source | Load Forge catalog (manufacturer datasheets and retailer listings) |
Frequently Asked Questions
What is the recommended ported (bass reflex) box volume for Morel Specs sheets Woofer?
Load Forge's calculated alignment puts Morel Specs sheets Woofer in a 7.9 liter vented enclosure tuned to 53.8 Hz, reaching an F3 cutoff of approximately 57.1 Hz.
Can Morel Specs sheets Woofer be used in a sealed box?
Yes. In a sealed (acoustic suspension) enclosure of 3.7 liters with a Qtc of 0.707 (Butterworth), the system exhibits an F3 of 96.2 Hz.
What port dimensions should be used for Morel Specs sheets Woofer to avoid port chuffing?
Xmax is not published for Morel Specs sheets Woofer, so the port is an empirical estimate: a 6.8 cm diameter with a length of 42.7 cm (area at least 12 in² per ft³ of net volume). Check the air velocity at your power level in Load Forge Studio.
Shareable Acoustic Card for Forums & Social Media
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